Marcelo Pasquini, MD, Center for International Blood and Marrow Transplant Research (CIBMTR), Milwaukee, WI, discusses the importance of standardizing registration of cellular therapies such as CAR T-cells. Data collection through a standardized approach can be used for both regulatory requirements and research as well as an important resource to the biomedical community. This interview took place at the 2nd European CAR T-Cell Meeting in Sitges, Spain.